/* Газкомм v6 — bento.
   Grey canvas, dense rounded tiles with 10px gutters; night ink, brand blue, white.
   Type: Gilroy when licensed files are added to assets/fonts/, otherwise Manrope (closest free match).
   Rule: every section title is .h (one size); every tile title is .t (one size). */
@font-face{font-family:"Gilroy";src:local("Gilroy-ExtraBold"),local("Gilroy ExtraBold"),url("assets/fonts/Gilroy-ExtraBold.woff2") format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"Gilroy";src:local("Gilroy-SemiBold"),local("Gilroy SemiBold"),url("assets/fonts/Gilroy-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Gilroy";src:local("Gilroy-Medium"),local("Gilroy Medium"),url("assets/fonts/Gilroy-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Gilroy";src:local("Gilroy-Regular"),local("Gilroy Regular"),url("assets/fonts/Gilroy-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
:root{
  --bg:#E7EBF0;
  --tile:#FFFFFF;
  --ink:#0B1324;
  --ink-2:#14203A;
  --blue:#0797D5;
  --blue-deep:#00477D;
  --cyan:#8FE0FF;
  --text:#0B1324;
  --t70:rgb(11 19 36 / .7);
  --t55:rgb(11 19 36 / .55);
  --line:rgb(11 19 36 / .09);
  --w75:rgb(255 255 255 / .75);
  --w55:rgb(255 255 255 / .55);
  --wl:rgb(255 255 255 / .13);
  --f:"Gilroy","Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --g:10px;                 /* gutter between tiles and between blocks */
  --r:28px;                 /* tile radius */
  --pad:clamp(22px,2.6vw,40px);
  --edge:max(10px,env(safe-area-inset-left,0px));
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;background:var(--bg)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:500 16px/1.55 var(--f);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0;text-wrap:pretty}
h1,h2,h3{margin:0;text-wrap:balance;hyphens:none}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.ico{width:22px;height:22px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sprite{position:absolute;width:0;height:0}

/* page frame */
.page{max-width:1440px;margin:0 auto;padding:0 var(--edge) var(--g) max(10px,env(safe-area-inset-right,0px));display:grid;gap:var(--g)}
.block{display:grid;gap:var(--g)}
.tile{background:var(--tile);border-radius:var(--r);padding:var(--pad);position:relative;overflow:hidden;min-width:0}
.tile--ink{background:var(--ink);color:#fff}
.tile--blue{background:var(--blue);color:#fff}
.tile--deep{background:var(--blue-deep);color:#fff}
.tile--clear{background:transparent;padding-inline:clamp(8px,1.2vw,16px)}

/* type scale — ONE size per role */
.hero-h{font-weight:800;font-size:clamp(2.6rem,6.4vw,6.2rem);line-height:.94;letter-spacing:-.045em}
.h{font-weight:800;font-size:clamp(2rem,3.6vw,3.4rem);line-height:1;letter-spacing:-.035em}
.t{font-weight:800;font-size:clamp(20px,1.7vw,24px);line-height:1.15;letter-spacing:-.02em}
.num{font-weight:800;font-size:clamp(2.4rem,4vw,3.8rem);line-height:.95;letter-spacing:-.045em;font-variant-numeric:tabular-nums}
.txt{font-weight:500;font-size:16px;line-height:1.55;color:var(--t70)}
.tile--ink .txt,.tile--blue .txt,.tile--deep .txt{color:var(--w75)}
.small{font-size:13px;color:var(--t55);font-weight:500}
.tile--ink .small,.tile--blue .small,.tile--deep .small{color:var(--w55)}
.blk-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px 40px;padding:clamp(28px,3.4vw,48px) clamp(8px,1.2vw,16px) clamp(14px,1.6vw,20px)}
.blk-head .txt{max-width:44ch}

/* buttons */
.btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 26px;border-radius:999px;border:0;font:700 15px/1 var(--f);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn .ico{width:18px;height:18px;transition:transform 520ms var(--ease)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;transform:scaleX(0);transform-origin:left;transition:transform 500ms var(--ease)}
.btn span{transition:color 320ms var(--ease)}
.btn:hover::before{transform:scaleX(1)}
.btn:hover .ico{transform:translateX(4px)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue::before{background:var(--blue-deep)}
.btn--white{background:#fff;color:var(--ink)}
.btn--white::before{background:var(--cyan)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink::before{background:var(--blue)}
.btn--line{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor}
.btn--line::before{background:rgb(143 224 255 / .18)}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}

/* header — floating pill */
.hdr{position:sticky;top:0;z-index:50;padding:calc(env(safe-area-inset-top,0px) + 10px) 0 0}
.hdr-in{display:flex;align-items:center;gap:24px;height:64px;padding:0 10px 0 22px;background:rgb(255 255 255 / .92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:999px;box-shadow:0 10px 30px -18px rgb(11 19 36 / .35)}
.logo{display:flex;color:var(--ink);flex:none}
.logo svg{height:28px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{text-decoration:none;font-size:14px;font-weight:600;padding:10px 14px;border-radius:999px;transition:background 320ms var(--ease)}
.nav a:hover{background:var(--bg)}
.tel{font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}
.hdr .btn{min-height:44px;padding:0 20px;font-size:14px}
.burger{display:none;margin-left:auto;width:44px;height:44px;border-radius:999px;border:0;background:var(--bg);color:var(--ink);cursor:pointer;place-items:center}
.mnav{position:fixed;inset:0;z-index:60;background:var(--ink);color:#fff;display:flex;flex-direction:column;padding:calc(env(safe-area-inset-top,0px) + 20px) 22px 28px}
.mnav-top{display:flex;justify-content:space-between;align-items:center}
.mnav-top .logo{color:#fff}
.mnav-top button{width:44px;height:44px;border-radius:999px;border:0;background:rgb(255 255 255 / .1);color:#fff;display:grid;place-items:center;cursor:pointer}
.mnav nav{display:grid;margin-top:28px}
.mnav nav a{font-weight:800;font-size:34px;letter-spacing:-.03em;line-height:1.3;text-decoration:none}
.mnav .btn{margin-top:auto}
.mnav .tel{margin-top:18px;text-align:center;font-size:17px}
@media (max-width:1120px){.nav{display:none}.tel{margin-left:auto}}
@media (max-width:640px){.hdr .tel,.hdr .btn{display:none}.burger{display:grid}.hdr-in{padding-left:18px}}

/* HERO bento */
.hero{grid-template-columns:8fr 4fr;grid-template-rows:auto auto}
.hero-main{grid-row:span 2;min-height:min(78svh,760px);display:flex;flex-direction:column;justify-content:flex-end;gap:24px;padding:clamp(28px,4vw,64px)}
.hero-main .flame{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-main>*:not(.flame){position:relative;z-index:1}
.hero-main .hero-h .c{color:var(--cyan)}
.hero-main .txt{max-width:46ch;font-size:clamp(16px,1.2vw,18px)}
.hint{position:absolute!important;top:clamp(22px,3vw,40px);right:clamp(22px,3vw,40px);display:flex;gap:8px;align-items:center}
.stat-a{display:flex;flex-direction:column;justify-content:space-between;gap:28px}
.stat-b{display:grid;grid-template-columns:1fr 1fr;gap:var(--g);background:transparent;padding:0}
.stat-b .tile{display:grid;gap:8px;align-content:end;min-height:150px}
.stat-a .num{font-size:clamp(3rem,5.4vw,5rem)}
@media (max-width:980px){.hero{grid-template-columns:1fr}.hero-main{grid-row:auto;min-height:min(86svh,680px);padding-top:clamp(220px,52vw,320px)}.stat-a{flex-direction:row;align-items:end;flex-wrap:wrap}}

.rise{animation:rise 900ms var(--ease) both;animation-delay:var(--d,0ms)}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rise{animation:none}}
.r1{--d:120ms}.r2{--d:260ms}.r3{--d:400ms}.r4{--d:540ms}.r5{--d:680ms}

/* PAIN */
.pains{grid-template-columns:repeat(3,1fr)}
.pain{display:grid;gap:14px;align-content:start;min-height:260px}
.pain .badge{width:52px;height:52px;border-radius:16px;background:var(--bg);display:grid;place-items:center;font-weight:800;font-size:18px;color:var(--blue)}
.pain .t{margin-top:auto}
.answer{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.answer .t{font-size:clamp(22px,2.2vw,32px);max-width:24ch}
.answer .t em{font-style:normal;color:var(--cyan)}
@media (max-width:860px){.pains{grid-template-columns:1fr}.pain{min-height:0}}

/* YOUR / OUR PART */
.parts{grid-template-columns:4fr 8fr}
.part-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:700;background:var(--bg);color:var(--ink)}
.tile--deep .pill{background:rgb(255 255 255 / .14);color:#fff}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:center;padding:14px;border-radius:18px;background:var(--bg)}
.tile--deep .steps li{background:rgb(255 255 255 / .08)}
.steps li::before{content:counter(s);width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:800;background:#fff;color:var(--blue)}
.tile--deep .steps li::before{background:var(--blue);color:#fff}
.steps b{display:block;font-weight:700;font-size:16px}
.steps span{font-size:14px;opacity:.7}
.tile--deep .steps{grid-template-columns:1fr 1fr}
@media (max-width:900px){.parts{grid-template-columns:1fr}}
@media (max-width:560px){.tile--deep .steps{grid-template-columns:1fr}}

/* BOILER */
.boiler{grid-template-columns:5fr 7fr}
.calc{display:grid;gap:22px;align-content:start}
.area-out{display:flex;align-items:baseline;gap:10px}
.area-out b{font-weight:800;font-size:clamp(64px,7vw,104px);line-height:.85;letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.range{display:grid;gap:8px}
.range input{width:100%;accent-color:var(--blue);height:30px}
.ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--t55);font-variant-numeric:tabular-nums}
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.model{padding:14px;border-radius:18px;background:var(--bg);display:grid;gap:2px;border:0;font:inherit;text-align:left;color:inherit;cursor:pointer;transition:background 420ms var(--ease),color 420ms var(--ease),transform 420ms var(--ease)}
.model b{font-weight:800;font-size:22px;letter-spacing:-.02em}
.model span{font-size:12px;opacity:.7}
.model em{font-style:normal;font-size:14px;font-weight:700;margin-top:8px}
.model.is-on{background:var(--blue);color:#fff;transform:translateY(-3px)}
.stage{padding:0;min-height:520px;background:radial-gradient(60% 55% at 50% 45%,#FFFFFF,#DDE7F0 80%)}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.stage .poster{position:absolute;left:50%;top:47%;height:72%;width:auto;transform:translate(-50%,-50%);transition:opacity 700ms var(--ease)}
.stage.is-ready .poster{opacity:0}
.stage .floor{position:absolute;left:34%;right:34%;bottom:12%;height:26px;background:radial-gradient(closest-side,rgb(11 19 36 / .3),transparent);filter:blur(8px)}
.stage-tag{position:absolute;left:var(--pad);top:var(--pad);z-index:2}
.stage-ui{position:absolute;left:0;right:0;bottom:var(--pad);display:flex;justify-content:center;z-index:2}
.seg{display:inline-flex;padding:4px;border-radius:999px;background:#fff;box-shadow:0 10px 30px -14px rgb(11 19 36 / .4)}
.seg button{min-height:40px;padding:0 18px;border-radius:999px;border:0;background:transparent;font:700 14px var(--f);color:var(--t70);cursor:pointer;transition:background 320ms var(--ease),color 320ms var(--ease)}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.gen{grid-column:1 / -1;display:grid;grid-template-columns:auto 1fr auto;gap:20px 36px;align-items:center}
.gen img{width:clamp(110px,12vw,160px)}
.gen .txt{margin-top:6px;max-width:52ch}
@media (max-width:980px){.boiler{grid-template-columns:1fr}.stage{order:-1;min-height:0;height:min(96vw,460px)}}
@media (max-width:640px){.gen{grid-template-columns:1fr}.gen .btn{justify-self:start}}

/* WHO */
.whos{grid-template-columns:repeat(4,1fr)}
.who{display:grid;gap:12px;align-content:start;text-decoration:none;min-height:240px;transition:transform 520ms var(--ease),background 420ms var(--ease)}
.who:hover{transform:translateY(-4px)}
.who .chip{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--bg);color:var(--blue)}
.who .chip .ico{width:26px;height:26px}
.who .t{margin-top:auto}
.who:nth-child(1){background:var(--blue);color:#fff}.who:nth-child(1) .chip{background:rgb(255 255 255 / .16);color:#fff}.who:nth-child(1) .txt{color:var(--w75)}
@media (max-width:1000px){.whos{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.whos{grid-template-columns:1fr}.who{min-height:0;grid-template-columns:56px 1fr;column-gap:16px;align-items:center}.who .chip{grid-row:span 2}.who .t{margin:0}}

/* PROJECTS */
.projs{grid-template-columns:repeat(4,1fr)}
.pc{padding:0;aspect-ratio:3/4;margin:0;background:var(--ink)}
.pc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 900ms var(--ease)}
.pc:hover img{transform:scale(1.06)}
.pc figcaption{position:absolute;left:10px;right:10px;bottom:10px;padding:14px 16px;border-radius:18px;background:rgb(255 255 255 / .94);display:grid;gap:2px}
.pc figcaption span{font-size:12px;color:var(--t55);font-weight:600}
.pc figcaption b{font-weight:800;font-size:18px;letter-spacing:-.02em}
.revs{grid-column:1 / -1}
.rev-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:18px}
.rev{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.vr{margin:0;position:relative;aspect-ratio:9/16;border-radius:20px;background:var(--ink-2);overflow:hidden;cursor:pointer}
.vr video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vr button{position:absolute;left:50%;top:50%;width:60px;height:60px;margin:-30px 0 0 -30px;border-radius:50%;border:0;background:var(--blue);display:grid;place-items:center;cursor:pointer;transition:transform 520ms var(--ease)}
.vr button .ico{width:20px;height:20px;fill:#fff;stroke:none;margin-left:3px}
.vr:hover button{transform:scale(1.08)}
.vr figcaption{position:absolute;left:12px;bottom:10px;font-size:12px;font-weight:600;color:#fff;text-shadow:0 1px 8px rgb(0 0 0 / .5)}
.vr.is-playing button,.vr.is-playing figcaption{display:none}
@media (max-width:1000px){.projs{grid-template-columns:1fr 1fr}.rev{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.rev{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:44%;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}.rev::-webkit-scrollbar{display:none}.vr{scroll-snap-align:start}}

/* TRUST */
.trusts{grid-template-columns:repeat(4,1fr)}
.trust{display:grid;gap:12px;align-content:start;min-height:200px}
.trust .chip{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgb(255 255 255 / .1);color:var(--cyan)}
.trust .t{margin-top:auto}
@media (max-width:1000px){.trusts{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.trusts{grid-template-columns:1fr}.trust{min-height:0}}

/* FAQ */
.faqs{grid-template-columns:4fr 8fr}
.ask{display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.qa{display:grid;gap:8px;padding:var(--g);background:transparent}
.qa details{background:#fff;border-radius:22px}
.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 22px;font-weight:700;font-size:clamp(16px,1.3vw,18px)}
.qa summary::-webkit-details-marker{display:none}
.qa summary span{flex:1}
.qa summary i{flex:none;width:36px;height:36px;border-radius:12px;background:var(--bg);display:grid;place-items:center;transition:transform 520ms var(--ease),background 320ms var(--ease),color 320ms var(--ease)}
.qa summary i .ico{width:16px;height:16px;stroke-width:2.2}
.qa details[open] summary i{transform:rotate(45deg);background:var(--blue);color:#fff}
.qa-a{overflow:hidden}
.qa-a p{padding:0 74px 22px 22px;color:var(--t70)}
@media (max-width:900px){.faqs{grid-template-columns:1fr}.qa{padding:0}.qa-a p{padding-right:22px}}

/* FINAL */
.final{grid-template-columns:7fr 5fr}
.final-main{display:flex;flex-direction:column;justify-content:space-between;gap:32px;min-height:560px}
.final-main .flame{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:.6}
.final-main>*:not(.flame){position:relative;z-index:1}
.cts{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:18px 28px}
.cts dt{font-size:13px;color:var(--w55);font-weight:600}
.cts dd{margin:4px 0 0;font-weight:700;overflow-wrap:anywhere;user-select:all}
.cts dd a{text-decoration:none}
.cts dd.big{font-weight:800;font-size:clamp(24px,2.2vw,32px);letter-spacing:-.03em}
.form{display:grid;gap:18px;align-content:start}
.fld{display:grid;gap:8px}
.fld>label,.fld>.lbl{font-size:13px;color:var(--t55);font-weight:600}
.fld input{height:56px;border:0;border-radius:16px;background:var(--bg);font:600 17px var(--f);color:var(--text);padding:0 18px;transition:box-shadow 320ms var(--ease)}
.fld input:focus{outline:none;box-shadow:inset 0 0 0 2px var(--blue)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips label{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border-radius:999px;background:var(--bg);font-size:14px;font-weight:600;cursor:pointer;transition:background 320ms var(--ease),color 320ms var(--ease)}
.chips input:checked+label{background:var(--ink);color:#fff}
.chips input:focus-visible+label{outline:2px solid var(--blue);outline-offset:2px}
.err{font-size:13px;color:#C62828;font-weight:600}
.ok{background:var(--bg);border-radius:16px;padding:14px 16px;font-size:14px}
.form small{font-size:12px;color:var(--t55);font-weight:500;line-height:1.5}
.form .btn{width:100%}
.map{grid-column:1 / -1;padding:0;height:clamp(320px,36vw,440px)}
.map iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(1) contrast(1.05)}
.map-card{position:absolute;left:var(--g);bottom:var(--g);background:#fff;border-radius:22px;padding:18px 20px;display:grid;gap:2px;box-shadow:0 20px 40px -20px rgb(11 19 36 / .4);max-width:calc(100% - 20px)}
.map-card b{font-weight:800;font-size:20px;letter-spacing:-.02em}
.map-card div{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.map-card .btn{min-height:42px;padding:0 18px;font-size:14px}
@media (max-width:900px){.final{grid-template-columns:1fr}.final-main{min-height:0;padding-top:clamp(160px,40vw,240px)}}
@media (max-width:440px){.cts{grid-template-columns:1fr}}

footer .tile{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px}
footer .logo{color:#fff}
footer .logo svg{height:24px}
footer nav{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;font-weight:600}
footer nav a{text-decoration:none;color:var(--w75)}
footer nav a:hover{color:#fff}

@media (max-width:640px){
  :root{--r:24px}
  .cta-row{flex-direction:column;align-items:stretch}
  .cta-row .small{text-align:center}
  .answer{flex-direction:column;align-items:flex-start}
  .blk-head{padding-top:28px}
}

.span-all{grid-column:1 / -1}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ask{align-self:start;position:sticky;top:96px;min-height:220px}
@media (max-width:900px){.ask{position:static;min-height:0}}